/*
 * Copyright (c) 2007, 2019, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */
/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
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package com.sun.org.apache.bcel.internal.generic;

/**
 * Super class for the IFxxx family of instructions.
 *
 * @version $Id: IfInstruction.java 1747278 2016-06-07 17:28:43Z britter $
 */
public abstract class IfInstruction extends BranchInstruction implements StackConsumer {

    /**
     * Empty constructor needed for the Class.newInstance() statement in
     * Instruction.readInstruction(). Not to be used otherwise.
     */
    IfInstruction() {
    }


    /**
     * @param opcode opcode of instruction
     * @param target Target instruction to branch to
     */
    protected IfInstruction(final short opcode, final InstructionHandle target) {
        super(opcode, target);
    }


    /**
     * @return negation of instruction, e.g. IFEQ.negate() == IFNE
     */
    public abstract IfInstruction negate();
}
